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Select one: OA ± 1.645 OB. ±1.96 OC. 3.841 OD. 2.706

Select one: OA ± 1.645 OB. ±1.96 OC. 3.841 OD. 2.706

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please give an answer with a calculation and give an explanation of the correct and incorrect option. 

SCENARIO 11-1 A corporation randomly selects 150 salespeople and finds that 66% who have never taken a self- improvement course would like such a course. The firm did a similar study 10 years ago in which 60% of a random sample of 160 salespeople wanted a self-improvement course. The groups are assumed to be independent random samples. Let x and x2 represent the true proportion of workers who would like to attend a self-improvement course in the recent study and the past study, respectively. Referring to Scenario 11-1, what is the critical value when performing a chi-square test on whether the population proportions are different if a = 0.05? Select one: OA. ± 1.645 B. ± 1.96 OC. 3.841 OD. 2.706 SCENARIO 11-12
Transcribed Image Text:SCENARIO 11-1 A corporation randomly selects 150 salespeople and finds that 66% who have never taken a self- improvement course would like such a course. The firm did a similar study 10 years ago in which 60% of a random sample of 160 salespeople wanted a self-improvement course. The groups are assumed to be independent random samples. Let x and x2 represent the true proportion of workers who would like to attend a self-improvement course in the recent study and the past study, respectively. Referring to Scenario 11-1, what is the critical value when performing a chi-square test on whether the population proportions are different if a = 0.05? Select one: OA. ± 1.645 B. ± 1.96 OC. 3.841 OD. 2.706 SCENARIO 11-12
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